[PATCH 5/6] perf scripts python: exported-sql-viewer.py: Add ability for Call tree to open at a specified task and time

Adrian Hunter
2019-08-21T08:33:42Z

Add ability for Call tree to open at a specified task and time.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
.../scripts/python/exported-sql-viewer.py | 44 ++++++++++++++++++-
1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 06b8d55977bc..a5af52f422e6 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -1094,7 +1094,7 @@ class CallGraphWindow(TreeWindowBase):

class CallTreeWindow(TreeWindowBase):

- def __init__(self, glb, parent=None):
+ def __init__(self, glb, parent=None, thread_at_time=None):
super(CallTreeWindow, self).__init__(parent)

self.model = LookupCreateModel("Call Tree", lambda x=glb: CallTreeModel(x))
@@ -1112,6 +1112,48 @@ class CallTreeWindow(TreeWindowBase):

AddSubWindow(glb.mainwindow.mdi_area, self, "Call Tree")

+ if thread_at_time:
+ self.DisplayThreadAtTime(*thread_at_time)
+
+ def DisplayThreadAtTime(self, comm_id, thread_id, time):
+ parent = QModelIndex()
+ for dbid in (comm_id, thread_id):
+ found = False
+ n = self.model.rowCount(parent)
+ for row in xrange(n):
+ child = self.model.index(row, 0, parent)
+ if child.internalPointer().dbid == dbid:
+ found = True
+ self.view.setCurrentIndex(child)
+ parent = child
+ break
+ if not found:
+ return
+ found = False
+ while True:
+ n = self.model.rowCount(parent)
+ if not n:
+ return
+ last_child = None
+ for row in xrange(n):
+ child = self.model.index(row, 0, parent)
+ child_call_time = child.internalPointer().call_time
+ if child_call_time < time:
+ last_child = child
+ elif child_call_time == time:
+ self.view.setCurrentIndex(child)
+ return
+ elif child_call_time > time:
+ break
+ if not last_child:
+ if not found:
+ child = self.model.index(0, 0, parent)
+ self.view.setCurrentIndex(child)
+ return
+ found = True
+ self.view.setCurrentIndex(last_child)
+ parent = last_child
+
# Child data item finder

class ChildDataItemFinder():
--
2.17.1